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Dahasolnce [82]
2 years ago
7

An electron on an energy level has an energy of 16.32 x 10−19 J. It moves to another level by absorbing 5.4 x 10−19 J of energy.

Which of the following descriptions most likely explains what occurred?
The electron moved down to an energy level and has an energy of 10.92 x 10−19 J.
The electron moved down to an energy level and has an energy of 21.72 x 10−19 J.
The electron moved up to an energy level and has an energy of 10.92 x 10−19 J.
The electron moved up to an energy level and has an energy of 21.72 x 10−19 J.
Chemistry
1 answer:
Artemon [7]2 years ago
8 0

Answer:

Explanation:

An electron on an energy level has an energy of 16.32 x 10−19 J. It moves to another level by absorbing 5.4 x 10−19 J of energy. Which of the following descriptions most likely explains what occurred? (5 points) a The electron moved down to an energy level and has an energy of 10.92 x 10−19 J. b The electron moved down to an energy level and has an energy of 21.72 x 10−19 J. c The electron moved up to an energy level and has an energy of 10.92 x 10−19 J. d The electron moved up to an energy level and has an energy of 21.72 x 10−19 J.

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T_F=77.4\°C

Explanation:

Hello there!

In this case, according to the given information, it turns out possible to set up the following energy equation for both objects 1 and 2:

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In terms of mass, specific heat and temperature change is:

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Now, solve for the final temperature, as follows:

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T_F=\frac{760g*0.87\frac{J}{g\°C} *52.2\°C+70.7g*3.071\frac{J}{g\°C}*154\°C}{760g*0.87\frac{J}{g\°C} +70.7g*3.071\frac{J}{g\°C}} \\\\T_F=77.4\°C

Yet, the values do not seem to have been given correctly in the problem, so it'll be convenient for you to recheck them.

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